CN2616974Y - Electromagnetic governing training device - Google Patents
Electromagnetic governing training device Download PDFInfo
- Publication number
- CN2616974Y CN2616974Y CN 03232832 CN03232832U CN2616974Y CN 2616974 Y CN2616974 Y CN 2616974Y CN 03232832 CN03232832 CN 03232832 CN 03232832 U CN03232832 U CN 03232832U CN 2616974 Y CN2616974 Y CN 2616974Y
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- CN
- China
- Prior art keywords
- components
- parts
- electromagnetic speed
- electromagnetic
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a electromagnetic speed regulation training device belonging to a teaching demonstration mould, which comprises a control circuit board and an electromagnetic speed regulation motor M; the control circuit board is that components, test instruments and wire casing boards (2) are arranged on a wiring assembling plate (1); the components and the test instruments are regularly arranged on a wiring assembling plate according to control circuit wiring rules; the arranged components and test instruments comprises an automatic air switch QF, a fuse FU, a contactor KM, a thermal relay FR, a terminal board XT, an electromagnetic speed governor (3), a voltmeter V, an ammeter A, an indication light EL and a push-button switch SB; the components and test instruments are electrically connected with the electromagnetic speed regulation motor M according to control circuit of the electromagnetic speed governor. The utility model has the advantages of simple, clear and standardized design of the components, the meters and the indicating light, visible and direct-viewing of the wire connection, and convenient for teaching standardization and demonstration operation.
Description
Technical field
The utility model belongs to the teaching mould technical field, makes the device of skill training and examination, evaluation in fact in particular for electrical towage control circuit.
Background technology
In the Electric Traction teaching of school especially skilled workers school, relate to the teaching of electromagnetic speed regulator operation circuit, except allowing the student grasp theoretically the ABC of operation circuit, it more is the mode of connection that will allow the student from practical operation, be familiar with the principle of work of operation circuit intuitively and expertly grasp operation circuit, whether in the examination of electrician specialty workman's vocational skills and identifying, it is correct also to need the operation circuit that the device of a cover standard checks the workman to run in.Yet, in existing school instruction, be mostly that making some coarse, simple and crude operation circuit trainers by teacher oneself according to the needs of teaching starts to learn for the student.These Electrical Engineering Practice trainers normally teacher are made according to own understanding and teaching needs to teaching material, and randomness is bigger, and standardization is relatively poor, do not possess versatility yet, the practical operation knowledge standard that causes the student to acquire differs, and level is uneven, being poor in basic training of grasp; Simultaneously, do not have unified and standard teaching and training device, brought certain inconvenience yet to teachers ' teaching.In addition, in existing electrician's vocational skills examination and identifying, that adopt or traditional checks the operation circuit wiring correctness that is run in by the examination personnel one by one by the chief examiner teacher, still the device that does not have the cover examination check workman practical operation level that relatively standard is perfect, cause disunity, the factor and individual subjective factor of appraisal standards big easily, the accuracy and the fairness of influence examination qualification result.
Summary of the invention
The purpose of this utility model provides a kind of course of work that can demonstrate the electromagnetic speed regulator operation circuit intuitively of unifying standard in order to overcome above-mentioned the deficiencies in the prior art just, can also be used for the mode of connection of student's hands-on electromagnetic speed regulator operation circuit and operation steps, and can be used to examine the electromagnetic speed-adjusting trainer of identifying the students ' actual situation operant level.
The purpose of this utility model is achieved by the following technical solution.
This electromagnetic speed-adjusting trainer includes control circuit board and electromagnetic varispeed motor M, described control circuit board is that the wiring installing plate is provided with components and parts, test instrumentation and wire casing plate, each components and parts and test instrumentation are arranged regularly by operation circuit wiring rule on the wiring installing plate, set components and parts and test instrumentation have automatic air-break switch QF, fuse FU, contactor KM, electrothermal relay FR, terminal board XT, electromagnetic speed regulator, voltage table V, reometer A, display lamp EL, pushbutton switch SB, each components and parts, operation circuit by electromagnetic speed regulator between test instrumentation and the electromagnetic varispeed motor M is electrically connected.
The position distribution of each components and parts on the wiring installing plate is divided into left and right two big zones, and left area first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 2 contactor KM
1～KM
2, the third line is arranged 2 electrothermal relay FR
1, FR
2, fourth line is arranged terminal board XT, is provided with the wire casing plate between the periphery of left area and the per two row components and parts, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row is arranged 4 display lamp EL
1～EL
4, second row is arranged 4 voltage table V
1～V
4, the third line is arranged electromagnetic speed regulator and 3 reometer A
1～A
3, fourth line is arranged 4 pushbutton switch SB
1～SB
4
On contactor, also be plugged with auxiliary contact.
Electromagnetic speed-adjusting operation circuit principle is the knowledge that the electrician specialty those of ordinary skill is known altogether, also is the content that must learn in electrician's teaching materials at different levels.Components and parts that the utility model is required with the electromagnetic speed regulator operation circuit and test instrumentation all reasonably are provided with in order according to the wiring characteristics of its operation circuit and are installed on the wiring installing plate, and the wire casing plate has been installed on the wiring installing plate on demand, can between each components and parts, have been carried out the soft wiring of laying easily; Set measuring instrument can detect the working condition of operation circuit and the course of work of electromagnetic speed regulator at any time.Each components and parts of the utility model are provided with succinct, clear, lead connects intuitively visual, and instrument, display lamp are arranged in order, and button is convenient to operation, be convenient to fault analysis, inspection and eliminating, refer to and have certain practical value on the industrial electric opertaing device operation circuit.Use the utility model, the teacher demonstrates after can carefully connecting the wire, and the principle of work and the process of electromagnetic speed regulator shown intuitively, can also be done it yourself after the wiring by the student, and whether the check wiring is correct.In examination is identified, the operation circuit that is run in addition by the examination personnel can be inserted the operation circuit that terminal board replaces this device, the correctness of its winding displacement of energising check.
Further set forth the utility model below in conjunction with Figure of description.
Description of drawings
Fig. 1 is a front view of the present utility model,
Fig. 2 is A '-A ' cut-open view of Fig. 1,
Fig. 3 is B '-B ' cut-open view of Fig. 1,
Fig. 4 is the wiring schematic diagram of terminal board,
Fig. 5 is the electrical schematic diagram of electromagnetic speed regulator.
Embodiment
As Fig. 1～shown in Figure 3, on wiring installing plate 1, be provided with each components and parts and test instrumentation are installed, the position distribution of each components and parts on wiring installing plate 1 is divided into left and right two big zones, and left area first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 2 contactor KM
1～KM
2, the third line is arranged 2 electrothermal relay FR
1, FR
2, fourth line is arranged terminal board XT, between the periphery of left area and the per two row components and parts wire casing plate 2 is set all, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row is arranged 4 display lamp EL
1～EL
4, second row is arranged 4 voltage table V
1～V
4, the third line is arranged electromagnetic speed regulator 3 and 3 reometer A
1～A
3, fourth line is arranged 4 pushbutton switch SB
1～SB
4The auxiliary contact of on contactor, also can pegging graft.Be electrically connected by Fig. 4 and Fig. 5 between each components and parts, test instrumentation and the motor M, just constituted the utility model.Three-phase fuse FU is set
1Can form protection, single-phase fuse FU to main circuit
2Control loop is protected electrothermal relay FR
1, FR
2Can form overload protection to motor.Power turn-on switch QF, voltage table V
1, display lamp EL
1Show whether main circuit is normal.Press the button switch S B
1, KM
1Get electric closure, motor M gets electric operation, at this moment, and voltage table V
2, display lamp EL
2, EL
3, EL
4Demonstration is arranged; Press the button switch S B
3, KM
2Get electric closure, open electromagnetic speed regulator 3 again, and the rotational speed knob, the working end entry into service of motor, at this moment, the voltage table V of field copper
3, reometer A
3, the dynamotor G that tests the speed voltage table V
4, reometer A
4Demonstration is all arranged, display lamp EL
2, EL
3, EL
4Demonstration is arranged.Elder generation's power failure magnetic governor arrangement 3 is pressed SB again when stopping
2And SB
4Get final product.The utility model can show the course of work that realizes three phase squirrel cage induction motor stepless speed regulation by the electromagnetic speed-adjusting control device intuitively.
Claims (3)
1, the electromagnetic speed-adjusting trainer, it is characterized in that, it includes control circuit board and electromagnetic varispeed motor M, described control circuit board is that wiring installing plate (1) is provided with components and parts, test instrumentation and wire casing plate (2), each components and parts and test instrumentation are arranged regularly by operation circuit wiring rule on the wiring installing plate, set components and parts and test instrumentation have automatic air-break switch QF, fuse FU, contactor KM, electrothermal relay FR, terminal board XT, electromagnetic speed regulator (3), voltage table V, reometer A, display lamp EL, pushbutton switch SB, each components and parts, operation circuit by electromagnetic speed regulator between test instrumentation and the electromagnetic varispeed motor M is electrically connected.
2, trainer according to claim 1 is characterized in that, the position distribution of each components and parts on wiring installing plate (1) is divided into left and right two big zones, and left area first row is arranged in order automatic air-break switch QF, three-phase fuse FU
1, two-phase fuse FU
2, second row is arranged 2 contactor KM
1, KM
2, the third line is arranged 2 electrothermal relay FR
1, FR
2, fourth line is arranged terminal board XT, is provided with wire casing plate (2) between the periphery of left area and the per two row components and parts, and all leads that connect components and parts all are arranged in the wire casing plate; Zone, the right first row is arranged 4 display lamp EL
1～EL
4, second row is arranged 4 voltage table V
1～V
4, the third line is arranged electromagnetic speed regulator (3) and 3 reometer A
1～A
3, fourth line is arranged 4 pushbutton switch SB
1～SB
4
3, trainer according to claim 1 is characterized in that, also is plugged with auxiliary contact on contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232832 CN2616974Y (en) | 2003-01-11 | 2003-01-11 | Electromagnetic governing training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03232832 CN2616974Y (en) | 2003-01-11 | 2003-01-11 | Electromagnetic governing training device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2616974Y true CN2616974Y (en) | 2004-05-19 |
Family
ID=34248715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03232832 Expired - Fee Related CN2616974Y (en) | 2003-01-11 | 2003-01-11 | Electromagnetic governing training device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2616974Y (en) |
-
2003
- 2003-01-11 CN CN 03232832 patent/CN2616974Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |